09.04.2018

# New Publications

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Xiong, Wei; et al. (2018): CO2 Mineral Sequestration in Naturally Porous Basalt

Xiong, Wei; Wells, Rachel K.; Horner, Jake A.; Schaef, Herbert T.; Skemer, Philip A.; Giammar, Daniel E. (2018): CO2 Mineral Sequestration in Naturally Porous Basalt. In Environ. Sci. Technol. Lett. 5 (3), pp. 142–147. DOI: 10.1021/acs.estlett.8b00047.

"We experimentally investigated mineral carbonation in whole core samples retrieved from the Grand Ronde basalt, the same formation into which ∼1000 t of CO2 was recently injected in an eastern Washington pilot-scale demonstration. The rate and extent of carbonate mineral formation at 100 °C and 100 bar were tracked via time-resolved sampling of bench-scale experiments. Basalt cores were recovered from the reactor after 6, 20, and 40 weeks, and three-dimensional X-ray tomographic imaging of these cores detected carbonate mineral formation in the fracture network within 20 weeks."

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09.04.2018

# New Publications

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Winning, Matthew; et al. (2018): How Low Can We Go? The Implications of Delayed Ratcheting and Negative Emissions Technologies on Achieving Well Below 2 °C

Winning, Matthew; Pye, Steve; Glynn, James; Scamman, Daniel; Welsby, Daniel (2018): How Low Can We Go? The Implications of Delayed Ratcheting and Negative Emissions Technologies on Achieving Well Below 2 °C. In George Giannakidis, Kenneth Karlsson, Maryse Labriet, Brian Ó. Gallachóir (Eds.): Limiting Global Warming to Well Below 2 °C. Energy System Modelling and Policy Development. Cham: Springer International Publishing, pp. 51–65.

"In this chapter, we consider the impacts of delaying ratcheting until 2030 on global emissions trajectories towards 2 °C and 1.5 °C, and the role of offsets via negative emissions technologies (NETs). The analysis suggests that delaying action makes pursuing the 1.5 °C goal especially difficult without extremely high levels of negative emissions technologies (NETs), such as carbon capture and storage combined with bioenergy (BECCS). Depending on the availability of biomass, other NETs beyond BECCS will be required. Policymakers must also realise that the outlook for fossil fuels are closely linked to the prospects for NETs."

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09.04.2018

# Political Papers

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National Academy of Sciences, Engineering, and Medicine (2018): Land Management Practices for Carbon Dioxide Removal and Reliable Sequestration - in Brief

National Academy of Sciences, Engineering, and Medicine (2018): Land Management Practices for Carbon Dioxide Removal and Reliable Sequestration - in Brief. Washington, D.C.: National Academies Press.

"Carbon dioxide removal (CDR) techniques, which aim to remove and sequester excess carbon from the atmosphere, have been identified as an important part of the portfolio of responses to climate change and have been garnering increased attention. Forests, grasslands, agricultural lands, and soils are significant reservoirs of carbon. As the amount of CO2 in the atmosphere has increased, there is growing interest in land management practices that can enhance the uptake and storage of carbon."

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09.04.2018

# Media

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Cleantech: How Corporate Fleets Can Go Carbon-Negative Now

"But there’s no need to wait: With a new model natural gas engine now in commercial production, fleets can meet their heaviest-duty needs using carbon-negative renewable natural gas (RNG) in near-zero-emission natural gas trucks. Early-adopter fleet operators such as UPS and Waste Management have already embraced RNG, but others could be forgiven for not having it on their radar. The conversation about achieving zero emissions from transportation has focused almost exclusively on electric vehicles. But policies that look only at tailpipe emissions are leaving out a vital part of the transport supply chain: fuel production. It’s there that RNG shines."

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09.04.2018

# Media

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Eniday: Can BECCS turn back the clock on emissions?

"In many ways, the global response to the acknowledged threat of climate change has been impressive. Renewables have taken the energy industry by storm. Hybrid and electric vehicles are becoming increasingly popular. A tidal wave of new, more efficient versions of everything from lightbulbs to refrigerators has swept in and rearranged the landscape. Emissions are starting to fall, even as economies continue to grow…"

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09.04.2018

# Political Papers

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Center for Carbon Removal (2018): Annual Report 2017

Center for Carbon Removal (2018): Annual Report 2017.

"Center for Carbon Removal is building a movement around carbon removal combining scientific rigor, real world acumen, and energetic innovation. Our dedicated staff flex their brain muscles every day to research and convene like the wind. We're thrilled to see the field growing to encompass so many voices: community leaders, entrepreneurs, bright-eyed researchers, and readers who care. With brand new opportunities for engagement and progress taking shape all the time, we want you to know where we've been and where we're going."

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09.04.2018

# Media

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Quartz: A bipartisan US group introduced another bill to support a controversial climate technology

"The support it adds for direct air capture is perhaps just as essential, because that’s a technology nearly every climate model says we’ll need to scale up in the next few decades to avoid cataclysmic climate change. Direct air capture, when powered by carbon-neutral sources, is a negative-emissions machine. And the longer we take to cut global emissions, the greater our need for a negative-emissions technology will be."

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09.04.2018

# Media

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Wiener Zeitung: Plan B with Side Effects (German)

Austrian newspaper article on CE.

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09.04.2018

# Media

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Create: Geoengineering is controversial, but we need to talk about it

"Geoengineering is a controversial topic. But one engineer advocates for at least exploring if it could work to combat climate change – in case it becomes our only option."

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09.04.2018

# Political Papers

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C2G2 (2018): Our Approach

C2G2 (2018): Our Approach. Carnegie Climate Geoengineering Governance Initiative (C2G2). New York.

"Our approach is to hold a global, informed, consultative and transparent society-wide discussion on how to govern these emerging technologies. C2G2 encourages dialogues, convenes and provides a platform for government, intergovernmental and non-state actor policymakers to discuss these difficult issues."

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